B型超声是辅助生殖技术(ART)中的重要辅助检查方法,常用于监测卵泡发育,评价卵巢储备功能、预测排卵、诊断排卵障碍,评估子宫内膜容受性,为调整促排卵方案及内膜用药剂量提供重要依据;同时应用与明确输卵管病变、评价卵巢储备功能、诊断排卵障碍、评估子宫内膜的容受性、引导卵巢穿刺取卵术、胚胎移植(ET)及多胎妊娠选择性减胎等相关手术,对提高临床妊娠率起着重要作用。 B ultrasound is an important auxiliary examination in assisted reproductive technology (ART), commonly used in monitoring follicular development, evaluating ovarian reserve function, predicting ovulation, diagnosing ovulation disorders, evaluating endometrial receptivity, adjusting ovulation induction schedule, Membrane drug dosage provides an important basis; at the same time the application and clear tubal disease, evaluation of ovarian reserve function, diagnosis of ovulation disorders, assessment of endometrial receptivity, guide ovarian puncture ovulation, embryo transfer (ET) and multiple pregnancy reduction Tire and other related operations, to improve the clinical pregnancy rate plays an important role.